Home / 14,476.39-19,975.68-8,103.31

Finding the Fourth Proportional to 14,476.39, 19,975.68 and 8,103.31

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Solution

The fourth proportional to 14,476.39, 19,975.68 and 8,103.31 is: 11,181.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,476.39 : 19,975.68 = 8,103.31 : x
  2. Step 2: Convert to fraction form
    14,476.39/19,975.68 = 8,103.31/x
  3. Step 3: Cross multiply
    14,476.39x = 19,975.68 × 8,103.31
  4. Step 4: Simplify right side
    14,476.39x = 161,869,077.56
  5. Step 5: Solve for x
    x = 161,869,077.56/14,476.39
  6. Step 6: Final answer
    x = 11,181.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.